[Added on] Apr 21, 2026 [Last modified on] May 13, 2026

JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EDU10300 Subject Category: Space and Astronautical Science PDF Responsible Representative: Hideto Takasawa, ISAS, Dept. of Space Flight Systems Contact Information: Takasawa hideto(takasawa.hideto@jaxa.jp) Members: Shotaro Baba, Reo Iida, Tomohito Morimoto, Takahiro Miki, Hideto Takasawa Abstract During atmospheric entry, a capsule travels over a wide range of velocities from hypersonic to subsonic regimes. Consequently, this leads to severe aerodynamic heating and disturbances in its flight attitude. To elucidate and mitigate these phenomena,・・・<<read more>>

[Added on] Apr 21, 2026 [Last modified on] May 15, 2026

JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EDA201J99 Subject Category: Aeronautical Technology PDF Responsible Representative: Nakita Kazuyuki, Aviation Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Yuki Ide, Chanteux Xavier(ide.yuki@jaxa.jp, chanteux.xavier@jaxa.jp) Members: Xavier Chanteux, Lusher David, Tokugawa Naoko, Ohhira Keisuke, Ide Yuki Abstract The project aims to improve understanding of the boundary-layer laminar-to-turbulent transition process in low-turbulence environment such as wind tunnel or flight conditions. One of the items of this project investigates the influence of free-stream・・・<<read more>>

[Added on] Apr 21, 2026 [Last modified on] Jun 4, 2026

JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EDA201D10 Subject Category: Aeronautical Technology PDF Responsible Representative: Takeshi Fujiwara, Aviation Technology Directorate, Aviation Safety Innovation Hub Contact Information: Masaya Suzuki, Aviation Technology Directorate, Aviation Safety Innovation Hub(suzuki.masaya@jaxa.jp) Members: Kazuhisa Amemiya, Kazuto Fukui, Junichi Kazawa, Joe Matsutani, Naruto Mita, Rintaro Nakajima, Yota Nakamura, Jukito Oka, Yuya Ohashi, Masaya Suzuki, Kenji Shimizu, Mutsuki Sugiyama, Sota Tamehiro, Mizuki Watanabe Abstract The atmosphere in which aircraft fly is not ideal, with various fine・・・<<read more>>

[Added on] Apr 21, 2026 [Last modified on] May 13, 2026

JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EDA201G28 Subject Category: Aeronautical Technology PDF Responsible Representative: YASUE Kanako, Aviation Technology Directorate, Aviation Integration Innovation Hub Contact Information: IKEDA Tomoaki(ikeda.tomoaki@jaxa.jp) Members: Hirokazu Higashida, Manabu Hisida, Kenji Hayashi, Tomoaki Ikeda, Masatoshi Kanayama, Yuki Kishi, Hideji Saiki, Kanako Yasue Abstract We aim at the development of aerodynamics and noise computation techniques for rotorcrafts by the unstructured-grid CFD code FaSTAR-Move that utilizes an overset moving grid approach. Extracting the unsteady CFD data・・・<<read more>>

[Added on] Apr 21, 2026 [Last modified on] May 13, 2026

JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EDA201J06 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuyuki Nakakita, Aeronautical Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Taisuke Nambu(nambu.taisuke@jaxa.jp) Members: Koetsu Ito, Shingo Matsuyama, Taisuke Nambu, Naoyuki Okamura, Kei Shimura, Masahiro Takagi Abstract To achieve carbon neutrality by 2050, we research and develop technologies that enable decarbonization in core engines and verify their applicability. Specifically, we will conduct experimental and numerical research and development on combustor technologies that・・・<<read more>>